System Status: Operational

Identify Threats.
Block Spam.

The enterprise-grade reputation engine. Combining Community Intelligence with Advanced AI to stop malicious actors at the edge.

120M+ Records

<10ms Latency

50k Contributors

Built for Everyone

Whether you’re coding the next unicorn or managing a community.

# Single IP Lookup

curl "https://www.zerospam.org/wp-json/v3/query?license_key=YOUR_LICENSE_KEY&ip=8.8.8.8"

# IP & Email Lookup

curl "https://www.zerospam.org/wp-json/v3/query?license_key=YOUR_LICENSE_KEY&ip=8.8.8.8|1.2.3.4&email=spam@example.com|test@malicious.net"

# Response Structure

{ "status": 200, "body_response": { "queries_limit": 10000, "queries_made": 1, "queries_remaining": 9999, "ip_addresses": { "8.8.8.8": { "ip_address": "8.8.8.8", "permalink": "https://www.zerospam.org/lookup/8.8.8.8/", "confidence": 0.45, "date_added": "2024-01-15 10:30:00", "last_updated": "2024-06-22 14:15:00", "country_code": "US", "country_name": "United States", "num_reports": 12 } } }, "response": [] }

API-First Architecture

Designed for high-throughput environments. Integrate reputation scoring into your WAF, checkout flow, or registration form with sub-millisecond latency.

RESTful API Architecture

Built on the WordPress REST API for reliable integration. check for spam in your forms, comments, or registrations with standard JSON endpoints.

Intelligent Caching u0026 Rate Limiting

Optimized for performance with built-in object caching and rate limiting to ensure stability and speed.

Comprehensive Reporting

Detailed logging of spam attempts, including IP and email analysis, giving you full visibility into blocked threats.

Drop-in Client-Side Protection

Secure any webpage instantly with our u003ca href=u0022/installu0022u003eJavaScript-based protectionu003c/au003e. Simply add a single script tag to automatically screen visitors and redirect malicious traffic before it even touches your server.

Read Documentation

Hybrid Intelligence

A living database fed by two powerful streams, refined by AI.

Crowd Sourced

Real-time reporting from over u003cstrongu003e50,000 contributorsu003c/strongu003e. When a site blocks a spammer, the entire network gets smarter instantly.

v6.0.0

AI Analysis

Our neural networks detect patterns in email syntax, subnet usage, and registration velocity to predict threats before they are reported.

Honeypots

Thousands of decoy forms and servers scattered across the web. Any interaction with these traps results in an immediate global ban.

Transparent Pricing

Explorer API License

$0 / month

Best for trying it out.

10 requests/month
Single site/app license
Threat confidence
Basic source info

Start Free

Essentials API License

$8 / month

Best for small sites/apps.

10,000 requests/month
Single site/app license
Threat confidence
Source intelligence
Activity history

Get Essentials

Popular

Business API License

$15 / month

Best for busy businesses.

50,000 requests/month
Single site/app license
Everything in Essentials
IP abuse reports
Email abuse reports

Get Business

Platform API License

$100 / month

Best for unlimited coverage.

Unlimited requests/month
Covers 3 sites/apps
Everything included
Priority support
Integration support

Get Platform

Threat Intelligence

Latest analysis from our security researchers.

View All

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Google’s September 2026 Spam Update: 6 Checks for Your Site
Google’s September 2026 spam update is rolling out through early October. Here’s what happened and six checks for comment spam, fake profiles…

Caught a Spammer in the Act?

Help the community by submitting logs to our global blacklist.

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